* {
  margin: 0px;
  padding: 0px;
  box-sizing: border-box;
}
li {
  list-style: none;
  text-decoration: none;
}
.wrapper {
  width: 1200px;
}
.head {
  height: 80px;
  margin: 0px auto;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid #c9c9c9;
}
.head .logo {
  flex: 1.5;
  display: flex;
}
.head .nav {
  flex: 3;
  width: 100%;
  height: 100%;
}
.head .nav ul {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: space-around;
  align-items: center;
}
.head .nav ul li {
  height: 100%;
  flex: 1;
  align-items: center;
  justify-content: center;
}
.head .nav ul li a {
  line-height: 80px;
}
.head .nav ul li:nth-of-type(1) {
  background-color: #31c27c;
  color: white;
}
.head .nav ul li:hover a {
  color: #31c27c;
}
.head .nav ul li:nth-of-type(1):hover a {
  color: white;
}
.head .search {
  flex: 1.5;
  align-items: center;
  border: 1px solid #c9c9c9;
  height: 40px;
  display: flex;
  justify-content: left;
  border-radius: 5px;
}
.head .search input {
  padding-left: 5px;
  outline: none;
  border-width: 0;
}
.head .pic {
  margin: 0px 10px;
  width: 60px;
  height: 60px;
}
.head .pic img {
  height: 100%;
  width: 100%;
  border-radius: 50%;
}
.head .btn {
  flex: 2;
  display: flex;
  justify-content: space-around;
  text-align: center;
  color: white;
  font-size: 15px;
  line-height: 30px;
}
.head .btn .btn_1 {
  width: 50%;
  height: 30px;
  background-color: #31c27c;
  position: relative;
}
.head .btn .btn_1 .btn_1-item {
  border: 1px solid #c9c9c9;
  border-bottom: none;
  position: absolute;
  width: 100%;
  height: 200%;
  color: black;
  display: none;
  background-color: #fff;
}
.head .btn .btn_1 .btn_1-item li {
  border-bottom: 1px solid #c9c9c9;
}
.head .btn .btn_1 .btn_1-item li:hover {
  background-color: #31c27c;
  color: white;
}
.head .btn .btn_1:hover .btn_1-item {
  display: block;
}
.head .btn .btn_2 {
  width: 30%;
  height: 30px;
  background-color: #31c27c;
  position: relative;
}
.head .btn .btn_2 .btn_2-item {
  border: 1px solid #c9c9c9;
  border-bottom: none;
  position: absolute;
  width: 100%;
  height: 200%;
  color: black;
  display: none;
  background-color: #fff;
}
.head .btn .btn_2 .btn_2-item li {
  border-bottom: 1px solid #c9c9c9;
}
.head .btn .btn_2 .btn_2-item li:hover {
  background-color: #31c27c;
  color: white;
}
.head .btn .btn_2:hover .btn_2-item {
  display: block;
}
header > nav {
  margin: 0px auto;
}
header > nav ul {
  width: 60%;
  margin: 0px auto;
  display: flex;
  justify-content: space-around;
}
header > nav ul li {
  flex: 1;
  line-height: 50px;
  font-size: 15px;
}
header > nav ul li a:hover {
  color: #31c27c;
}
main section:nth-of-type(1) {
  position: relative;
  background: #f3f3f3;
  margin-top: 0px;
  overflow: hidden;
}
.main {
  margin: 50px auto;
  text-align: center;
  line-height: 50px;
}
.main h1 {
  margin: 20px auto;
}
.main .nav ul {
  width: 50%;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
}
.main .nav ul a:hover {
  color: #31c27c;
}
.main .ro-chart {
  line-height: 30px;
  display: flex;
  justify-content: space-between;
  font-size: 15px;
}
.main .ro-chart .music {
  text-align: left;
  margin-right: 15px;
}
.main .ro-chart .music .img {
  height: 224px;
  overflow: hidden;
  position: relative;
}
.main .ro-chart .music .img:hover img {
  transform: scale(1.2);
}
.main .ro-chart .music img {
  width: 100%;
  height: 100%;
  transition: all 2s;
}
.main .ro-chart .music .mask {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0px;
  left: 0px;
  background-image: linear-gradient(transparent, rgba(0, 0, 0, 0.6));
  opacity: 0;
  transition: all 1s;
}
.main .ro-chart .music .mask::after {
  content: '';
  position: absolute;
  width: 50px;
  height: 50px;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  background-image: url(../img/music.png);
  background-position: 100% 100%;
  background-position: center;
  transform: translate(-50%, -50%);
  transition: all 1s;
  opacity: 0;
}
.main .ro-chart .music .img:hover .mask {
  opacity: 1;
}
.main .ro-chart .music .img:hover .mask::after {
  opacity: 1;
}
.main .dot {
  margin-top: 20px;
}
.main .dot ul {
  width: 5%;
  margin: 0px auto;
  display: flex;
  justify-content: space-around;
}
.main .dot ul li .dot-1 {
  width: 10px;
  height: 10px;
  background-color: #e1e1e1;
  border-radius: 50%;
}
.main .dot ul li:nth-of-type(1) .dot-1 {
  background-color: #808080;
}
main section:nth-of-type(1)::before {
  height: 100px;
  width: 50px;
  content: "";
  position: absolute;
  top: 50%;
  left: 0px;
  background-image: url(../img/left.jpg);
  transform: translate(-100%, -50%);
  transition: all 1s;
}
main section:nth-of-type(1)::after {
  height: 100px;
  width: 50px;
  content: "";
  position: absolute;
  top: 50%;
  right: 0px;
  background-image: url(../img/right.png);
  transform: translate(100%, -50%);
  transition: all 1s;
}
main section:nth-of-type(1):hover::before {
  transform: translate(0%, -50%);
}
main section:nth-of-type(1):hover::after {
  transform: translate(0%, -50%);
}
main section:nth-of-type(2) {
  position: relative;
  background-color: white;
}
main section:nth-of-type(2) .main2 {
  margin: 0 auto;
  height: 600px;
  text-align: center;
}
main section:nth-of-type(2) .main2 h1 {
  margin: 20px auto;
}
main section:nth-of-type(2) .main2 .nav {
  position: relative;
}
main section:nth-of-type(2) .main2 .nav .nav-all {
  position: absolute;
  border: 1px solid #c9c9c9;
  line-height: 40px;
  width: 120px;
  height: 40px;
  border-radius: 5px;
}
main section:nth-of-type(2) .main2 .nav .nav-all span {
  color: blacks;
}
main section:nth-of-type(2) .main2 .nav .nav-all:hover {
  background-color: #f3f3f3;
}
main section:nth-of-type(2) .main2 .nav ul {
  flex: 9;
  width: 50%;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
}
main section:nth-of-type(2) .main2 .nav ul a:hover {
  color: #31c27c;
}
main section:nth-of-type(2) .main2 .music-order-row1,
main section:nth-of-type(2) .main2 .music-order-row2,
main section:nth-of-type(2) .main2 .music-order-row3 {
  border-bottom: 1px solid #c9c9c9;
  display: flex;
  padding-bottom: 15px;
  padding-top: 15px;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order {
  flex: 1;
  display: flex;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .img,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .img,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .img {
  flex: 2.1;
  overflow: hidden;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .img img,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .img img,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .img img {
  width: 100%;
  height: 100%;
  transition: all 1.5s;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .img :hover,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .img :hover,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .img :hover {
  transform: scale(1.2);
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .music-info,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .music-info,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .music-info {
  margin-top: 25px;
  flex: 6;
  text-align: left;
  margin-left: 10px;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .music-info p,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .music-info p,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .music-info p {
  color: #c9c9c9;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .music-time,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .music-time,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .music-time {
  flex: 2;
  margin-top: 35px;
}
main section:nth-of-type(2) .main2 .music-order-row1 .music-order .music-time p,
main section:nth-of-type(2) .main2 .music-order-row2 .music-order .music-time p,
main section:nth-of-type(2) .main2 .music-order-row3 .music-order .music-time p {
  color: #c9c9c9;
}
.music-orderall {
  margin-top: 50px;
}
main section:nth-of-type(2)::before {
  height: 100px;
  width: 50px;
  content: "";
  position: absolute;
  top: 50%;
  left: 0px;
  background-image: url(../img/left.jpg);
  transform: translate(-100%, -50%);
  transition: all 1s;
}
main section:nth-of-type(2)::after {
  height: 100px;
  width: 50px;
  content: "";
  position: absolute;
  top: 50%;
  right: 0px;
  background-image: url(../img/right.png);
  transform: translate(100%, -50%);
  transition: all 1s;
}
main section:nth-of-type(2):hover::before {
  transform: translate(0%, -50%);
}
main section:nth-of-type(2):hover::after {
  transform: translate(0%, -50%);
}
footer {
  background-color: #333333;
  color: #7f7f7f;
  overflow: hidden;
  padding-bottom: 80px;
}
footer .content {
  margin: 80px auto;
  display: flex;
  justify-content: space-around;
}
footer .content .download {
  flex: 1;
  margin-right: 30px;
}
footer .content .download ul {
  margin-top: 30px;
  display: flex;
}
footer .content .download ul li {
  flex: 1;
}
footer .content .download ul li span {
  font-family: 'icomoon';
  font-size: 40px;
}
footer .content .download ul li p {
  line-height: 40px;
  font-size: 12px;
}
footer .content .download ul li:hover {
  color: #31c27c;
}
footer .content .download h4 {
  margin-top: 80px;
}
footer .content .special-product {
  flex: 1;
  margin-right: 30px;
}
footer .content .special-product ul {
  margin-top: 30px;
  display: flex;
}
footer .content .special-product ul li {
  flex: 1;
}
footer .content .special-product ul li span {
  font-family: 'icomoon';
  font-size: 40px;
}
footer .content .special-product ul li p {
  line-height: 40px;
  font-size: 12px;
}
footer .content .special-product ul li:hover {
  color: #31c27c;
}
footer .content .special-product h4 {
  margin-top: 80px;
}
footer .content .corporate {
  flex: 1;
  margin-right: 30px;
}
footer .content .corporate ul {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
}
footer .content .corporate ul li {
  font-size: 15px;
  line-height: 30px;
  width: 30%;
}
footer .content .corporate ul li:hover {
  color: #31c27c;
}
footer .product-info {
  text-align: center;
  margin: 0px auto;
  font-size: 15px;
}
footer .product-info ul {
  margin: 0px auto;
  display: flex;
  justify-content: center;
}
footer .product-info ul li {
  line-height: 15px;
  border-right: 1px solid #7f7f73;
  padding: 0px 5px;
}
footer .product-info ul li:nth-of-type(10) {
  border: none;
}
footer .product-info ul li:hover {
  color: #31c27c;
}
footer .product-info p {
  line-height: 60px;
}
footer .product-info p span:hover {
  color: #31c27c;
}
footer .product-info ul:nth-of-type(2) li:nth-of-type(5) {
  border: none;
}
